Mark Demian Mark Demian
Member Partner




[email protected]

Cleveland – Main Office:
1250 Granger Road
Cleveland, OH 44131-1234

Mark Demian works remotely from Columbus, Ohio. He is a Certified Subrogation Recovery Professional (CSRP). He is actively involved in the National Association of Subrogation Professionals, presently serving on the Board of Directors. Mark graduated from Colby College in Waterville, Maine with a double-major in Political Science and History. He received his law degree from Case Western Reserve University School of Law in Cleveland, Ohio, and is licensed to practice law in Ohio and Kentucky, including various Federal Courts in both states. He is also an active member of the Ohio State Bar Association, serving on the Litigation, Insurance, and Negligence Committees.

When not working, Mark enjoys spending time with his wife and daughter. He is an active member of St. Brigid of Kildare Church, serving as advocate and youth program coordinator for the parish’s Knights of Columbus council. He is an ardent, long-suffering Cleveland and Ohio sports fan, and enjoys playing golf, tennis and gardening.


• Case Western University School of Law, Cleveland, Ohio,
Juris Doctor
•Order of Barristers
•International Academy of Trial Lawyers Award
•William E. Davis Mock Trial Prize
•The American Inns of Court, Harold Burton Chapter
• Colby College, Waterville, Maine
Bachelor of Arts, Government/History

Bar Admissions

• Ohio 1994
• Northern District of Ohio 1995
• Southern District of Ohio 2003
• Kentucky 2006


• Certified Subrogation Recovery Specialist 2018
• 2021-2024 Ohio Super Lawyers
• 2023 Best Lawyers in America

Professional Affiliations

• National Association of Subrogation Professionals (NASP), Board of Directors 2017-2023, Litigation Skills and Management Conference, Co-Chair 2012 and 2020, Ohio Chapter Chair 2012-2017
• Ohio State Bar Association – Member Negligence, Insurance Law, and Litigation Committees, 1994-Present

Published Works

• “Considerations for Counsel and Claims Representatives in Asserting the Work-Product Doctrine”, Subrogator, Spring/Summer 2011
• “Tales from the Kids Table: Overcoming Impediments When Asserting Subrogation in Your Insureds’ Case”, Subrogator, Fall 2016
• “Tricks, Tips, and Pitfalls to Recovering Underinsured Claims”, Subrogator, Spring/Summer 2018
• “ ‘But it’s a rear-end accident, how could you be disputing liability?’ When a rear-ender becomes more than a rear-ender…”, Subrogator Digest, January 2024
• “ A Conversation with Myself About Six Years of Service on NASP’s Board of Directors.”, Subrogator Digest, April 2024


On Subrogation YouTube Channel
• “Guidelines for Depositions,” Published May 28, 2021
• “Subro Live! Negotiation Strategies,” Published February 9, 2024


On Subrogation Podcast
• “The Do’s and Don’ts of Depositions,” Airdate July 9, 2021

Seminars and Speaking Engagements

• NASP Litigation Skills and Management Conference – Vicarious Liability Law: How to Avoid the Graves Amendment Ambush, March 2007
• NASP Litigation Skills and Management Conference – Preparing For and Taking Depositions: Issues for Counsel and Insurance Professionals, April 2009 (also presented as webinar June 2012)
• NASP Ohio Chapter and Annual Conference – Attorney for Mock Trials, July 2009, November 2010, November 2014
• NASP Ohio Chapter – Determining Liability and Pursuing Subrogation in Automobile Claims, March 2011
• NASP Litigation Skills and Management Conference – Forms of Pre-Trial Discovery in the Auto Property Damage Case, April 2010
• Ohio Association Municipal/County Court Clerks – Garnishments, May 2010
• NASP Young Professionals Subcommittee Webinar – Auto Subrogation, June 2012
• NASP Annual Conference – Analyzing Short-Distance Vehicle Acceleration: A Subrogation Tool, November 2012
• NASP Ohio Chapter – Ask the Experts, March 2013
• NASP Annual Conference – Sudden Emergency Defenses: Valid or Did the Dog Eat Your Homework, November 2013 (also presented as webinar July 2016)
• NASP Litigation Skills and Management Conference – Negotiating the Acceptance of the Case: File Intake Considerations, April 2014
• NASP Litigation Skills and Management Conference – Conveying Your Conclusions: Biomechanics and Accident Reconstruction, March 2015
• NASP Annual Conference – Trucking Litigation in the 21st Century, November 2018
• NASP Spring Conference – Buckle Up for New Roads Ahead: Product Liability and Autonomous Vehicles, April 2020
• NASP Annual Conference – Medical and Vehicle Property Claim Challengers to Fill a Ten-Gallon Hat…And How to Texas Two-Step Around ‘Em, November 2021

Volunteer/Public Service

• Knights of Columbus, St. Brigid of Kildare Church, Dublin, Ohio, 2002-Present, Advocate, Member & Volunteer
Knight of the Year, 2009
• The Ohio Center for Law-Related Education
Mock Trial Advisor – Hilliard/Davidson High School, Hilliard, Ohio, 2001-2006